- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 33/37 - Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
Patent holdings for IPC class B01D 33/37
Total number of patents in this class: 42
10-year publication summary
|
7
|
2
|
4
|
5
|
2
|
6
|
0
|
4
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Derrick Corporation | 254 |
4 |
| Pantreon GmbH | 11 |
3 |
| Technical University of Denmark | 152 |
3 |
| Danmarks Tekniske Universitet | 1041 |
2 |
| Schlumberger Technology Corporation | 11940 |
1 |
| LG Electronics Inc. | 76087 |
1 |
| A. Kayser Automotive Systems GmbH | 30 |
1 |
| Amiad Water Systems Ltd. | 53 |
1 |
| Caleffi S.p.A. | 111 |
1 |
| Canon U.S. Life Sciences, Inc. | 62 |
1 |
| Cummins Filtration IP, Inc. | 580 |
1 |
| Davy Process Technology Limited | 27 |
1 |
| Metso Minerals, Inc. | 103 |
1 |
| Mott Corporation | 83 |
1 |
| National Oilwell Varco, L.P. | 1700 |
1 |
| Nuove Energie S.r.l. | 16 |
1 |
| The Penn State Research Foundation | 1636 |
1 |
| Prime Solution, Inc. | 16 |
1 |
| Reinhold Wesselmann GmbH | 2 |
1 |
| Rocker Scientific Co., Ltd. | 4 |
1 |
| Other owners | 14 |